<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
        * {
            margin: 0;
            padding: 0;
        }
        #header,#footer {
            height: 20px;
            text-align: center;
            border: 1px solid deeppink;
            background: gray;
        }
        #content {
            padding: 0 200px;
            overflow: hidden;
        }
        #content .middle,
        #content .left,
        #content .right {
            padding-bottom: 10000px;
            margin-bottom: -10000px;
        }
        #content .middle {
            float: left;
            width: 100%;
            background: pink;
        }
        #content .left {
            position: relative;
            left: -200px;
            margin-left: -100%;
            float: left;
            width: 200px;
            background: yellow;
        }
        #content .right {
            position: relative;
            right: -200px;
            margin-left: -200px;
            float: left;
            width: 200px;
            background: yellow;
        }
        .clear-fix {
            *zoom: 1;
        }
        .clear-fix:after {
            content: '';
            display: block;
            clear: both;
        }
    </style>
</head>
<body>
<div id="header">header</div>
<div id="content" class="clear-fix">
    <div class="middle">
        <h4>middle</h4>
        <h4>middle</h4>
        <h4>middle</h4>
        <h4>middle</h4>
    </div>
    <div class="left">left</div>
    <div class="right">right</div>
</div>
<div id="footer">footer</div>
</body>
</html>
